Cheap flights from St. Louis to Canada from C$ 120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:54 a.m. - 2:33 p.m.
STL
-
YYZ
4h 39m
1 stop
American Airlines Logo
7:15 p.m. - 11:46 p.m.
YYZ
-
STL
5h 31m
1 stop
C$ 296American Airlines
Fri, 24 Apr - Tue, 28 Apr
American Airlines Logo
8:54 a.m. - 2:33 p.m.
STL
-
YYZ
4h 39m
1 stop
American Airlines Logo
6:27 p.m. - 10:17 p.m.
YYZ
-
STL
4h 50m
1 stop
C$ 310American Airlines
Fri, 10 Apr - Fri, 17 Apr
Air Canada Logo
4:05 p.m. - 10:42 p.m.
STL
-
YVR
8h 37m
1 stop
Air Canada Logo
8:30 a.m. - 9:08 p.m.
YVR
-
STL
10h 38m
1 stop
C$ 392Air Canada
Sat, 11 Apr - Sat, 18 Apr
United Airlines Logo
5:10 a.m. - 9:51 a.m.
STL
-
YVR
6h 41m
1 stop
United Airlines Logo
11:35 p.m. - 8:41 a.m.
YVR
-
STL
7h 06m
1 stop
C$ 402United Airlines
Sun, 7 Jun - Thu, 18 Jun
United Airlines Logo
7:23 p.m. - 8:37 a.m.
STL
-
YVR
15h 14m
1 stop
United Airlines Logo
7:00 a.m. - 6:17 p.m.
YVR
-
STL
9h 17m
1 stop
C$ 407United Airlines
Sat, 27 Jun - Sat, 4 Jul
Delta Logo
6:29 a.m. - 10:57 a.m.
STL
-
YVR
6h 28m
1 stop
Delta Logo
12:07 p.m. - 11:25 p.m.
YVR
-
STL
9h 18m
1 stop
C$ 422Delta
Thu, 19 Mar - Wed, 25 Mar
Air Canada Logo
4:05 p.m. - 10:42 p.m.
STL
-
YVR
8h 37m
1 stop
Air Canada Logo
5:15 p.m. - 3:25 p.m.
YVR
-
STL
20h 10m
2 stops
C$ 423Air Canada
Mon, 13 Apr - Mon, 20 Apr
Delta Logo
11:22 a.m. - 8:39 p.m.
STL
-
YVR
11h 17m
1 stop
Delta Logo
6:20 a.m. - 4:46 p.m.
YVR
-
STL
8h 26m
2 stops
C$ 436Delta
Tue, 26 May - Tue, 2 Jun
Multiple Airlines Logo
11:21 a.m. - 2:45 p.m.
STL
-
YYC
28h 24m
2 stops
Multiple Airlines Logo
8:45 a.m. - 7:12 p.m.
YYC
-
STL
9h 27m
1 stop
C$ 441Multiple Airlines
Thu, 14 May - Mon, 18 May
Multiple Airlines Logo
11:27 a.m. - 10:40 p.m.
STL
-
YYZ
10h 13m
2 stops
Multiple Airlines Logo
7:10 a.m. - 11:19 p.m.
YYZ
-
STL
17h 09m
1 stop
C$ 466Multiple Airlines
Tue, 24 Mar - Tue, 31 Mar

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
24 Apr
STL8:54 a.m.Lambert-St Louis
4h 39m
1 stop
YYZ2:33 p.m.Toronto Pearson Intl
28 Apr
YYZ7:15 p.m.Toronto Pearson Intl
5h 31m
1 stop
STL11:46 p.m.Lambert-St Louis
C$ 296
American Airlines
10 Apr
STL8:54 a.m.Lambert-St Louis
4h 39m
1 stop
YYZ2:33 p.m.Toronto Pearson Intl
17 Apr
YYZ6:27 p.m.Toronto Pearson Intl
4h 50m
1 stop
STL10:17 p.m.Lambert-St Louis
C$ 310
American Airlines
13 Apr
STL5:21 p.m.Lambert-St Louis
20h 38m
1 stop
YYC12:59 p.m.Calgary
15 Apr
YYC1:40 p.m.Calgary
9h 06m
1 stop
STL11:46 p.m.Lambert-St Louis
C$ 397

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
11 Apr
STL4:05 p.m.Lambert-St Louis
8h 37m
1 stop
YVR10:42 p.m.Vancouver Intl
18 Apr
YVR8:30 a.m.Vancouver Intl
10h 38m
1 stop
STL9:08 p.m.Lambert-St Louis
C$ 392
Air Canada
13 Apr
STL4:05 p.m.Lambert-St Louis
8h 37m
1 stop
YVR10:42 p.m.Vancouver Intl
20 Apr
YVR5:15 p.m.Vancouver Intl
20h 10m
2 stops
STL3:25 p.m.Lambert-St Louis
C$ 423
Air Canada
11 Apr
STL4:05 p.m.Lambert-St Louis
8h 37m
1 stop
YVR10:42 p.m.Vancouver Intl
18 Apr
YVR7:55 a.m.Vancouver Intl
11h 13m
2 stops
STL9:08 p.m.Lambert-St Louis
C$ 426

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 28 February 2026.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 24/4

8:54 a.m.-2:33 p.m.

1 stop4h 39m

Toronto Pearson Intl

Tue 28/4

7:15 p.m.-11:46 p.m.

1 stop5h 31m

C$ 296

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 10/4

8:54 a.m.-2:33 p.m.

1 stop4h 39m

Toronto Pearson Intl

Fri 17/4

6:27 p.m.-10:17 p.m.

1 stop4h 50m

C$ 310

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 11/4

4:05 p.m.-10:42 p.m.

1 stop8h 37m

Vancouver Intl

Sat 18/4

8:30 a.m.-9:08 p.m.

1 stop10h 38m

C$ 392

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sun 7/6

5:10 a.m.-9:51 a.m.

1 stop6h 41m

Vancouver Intl

Thu 18/6

11:35 p.m.-8:41 a.m.

1 stop7h 06m

C$ 402

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 27/6

7:23 p.m.-8:37 a.m.

1 stop15h 14m

Vancouver Intl

Sat 4/7

7:00 a.m.-6:17 p.m.

1 stop9h 17m

C$ 407

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 19/3

6:29 a.m.-10:57 a.m.

1 stop6h 28m

Vancouver Intl

Wed 25/3

12:07 p.m.-11:25 p.m.

1 stop9h 18m

C$ 422

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Mon 13/4

4:05 p.m.-10:42 p.m.

1 stop8h 37m

Vancouver Intl

Mon 20/4

5:15 p.m.-3:25 p.m.

2 stops20h 10m

C$ 423

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 26/5

11:22 a.m.-8:39 p.m.

1 stop11h 17m

Vancouver Intl

Tue 2/6

6:20 a.m.-4:46 p.m.

2 stops8h 26m

C$ 436

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 14/5

11:21 a.m.-2:45 p.m.

2 stops28h 24m

Calgary

Mon 18/5

8:45 a.m.-7:12 p.m.

1 stop9h 27m

C$ 441

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 24/3

11:27 a.m.-10:40 p.m.

2 stops10h 13m

Toronto Pearson Intl

Tue 31/3

7:10 a.m.-11:19 p.m.

1 stop17h 09m

C$ 466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Canada from

How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Canada?

In general, June is the cheapest month to fly from St. Louis to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 418. If you’re not able to fly to Canada in June, then May is your next best option. Flight prices from St. Louis to Canada during May average around C$ 666.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Sunday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 463. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around C$ 889. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

What is the cheapest time of day to depart on your flight to Canada?

According to our data, the cheapest time of day to fly to Canada is in the morning. momondo users have found flights departing from St. Louis to Canada in the morning for as low as C$ 573. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 636 per ticket.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

What cabin class options are available on Lambert-St Louis to Canada flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 44% on your flight if you consider stops on a St. Louis to Canada flight.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Best price found

C$ 323

Fastest flight time

1h 51m

Direct flights

Every day

Airports in Canada

513 airports
The best flight deal from St. Louis to Canada found on momondo in the last 72 hours is C$ 323
The fastest flight from St. Louis to Canada takes 1h 51m
Direct flights go from St. Louis to Canada every day.
There are 513 airports in Canada. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).
  • When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

    Prices for flights from Lambert-St Louis Airport to Canada are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

  • How old do you have to be to fly from Lambert-St Louis Airport to Canada?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Canada.

  • What documentation or ID do you need to fly to Canada?

    The travel and health documents you'll need for your trip to Canada may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Canada. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Canada?

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 298Free CancellationRating
7.1
10,752 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

Yes. All flights to Canada from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Canada?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Canada.

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.

An easier way to manage your Canada trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Mon 30/3
Mon 6/4

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